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PurposeChemotherapy-induced peripheral neuropathy (CIPN) limits the dose of chemotherapy and reduces patients’ quality of life. Goshajinkigan is a Japanese herbal medicine used to alleviate neuropathy and general pain. A clinical guideline for prevention and management of CIPN stated that the prophylactic efficacy of goshajinkigan against CIPN was inconclusive. We conducted a systematic review to examine whether goshajinkigan prevents CIPN in patients receiving neurotoxic chemotherapy.MethodsWe searched PubMed, EMBASE, Ichushi, and the Cochrane Central Register of Controlled Trials for eligible trials. Randomized controlled trials that examined the efficacy and safety of goshajinkigan for prevention of CIPN were included. Our primary outcomes were incidence of CIPN, response to chemotherapy, and adverse effects. We pooled data using a random effects model.ResultsWe analyzed five trials involving a total of 397 patients. When evaluated with Neurotoxicity Criteria of Debiopharm, goshajinkigan was associated with reduced incidence of CIPN of grade ≥ 1 (risk ratio [RR] 0.43; 95% CI, 0.27 to 0.66) and grade 3 (RR 0.42; 95% CI, 0.25 to 0.71), but this beneficial association was not found for grade ≥ 2 of CIPN. Goshajinkigan was not associated with reduced incidence of CIPN when assessed with the National Cancer Institute Common Terminology Criteria for Adverse Events, or improved response to chemotherapy. Goshajinkigan was well tolerated based on one trial.ConclusionsGoshajinkigan is unlikely to prevent CIPN in patients undergoing neurotoxic chemotherapy. Given the low quality and insufficient amount of the evidence, use of goshajinkigan as standard of care is not currently recommended.

A Multiple-Input Multiple-Output (MIMO) Frequency-Modulated Continuous Wave (FMCW) radar can provide a range-angle map that expresses the signal power against each range and angle. It is possible to estimate object locations by detecting the signal power that exceeds a threshold using an algorithm, such as Constant False Alarm Rate (CFAR). However, noise and multipath components often exist over the range-angle map, which could produce false alarms for an undesired location depending on the threshold setting. In other words, the threshold setting is sensitive in noisy range-angle maps. Therefore, if the noise is reduced, the threshold can be easily set to reduce the number of false alarms. In this paper, we propose a method that improves the CFAR threshold tolerance by denoising a range-angle map using Deep Image Prior (DIP). DIP is an unsupervised deep-learning technique that enables image denoising. In the proposed method, DIP is applied to the range-angle map calculated by the Curve-Length (CL) method, and then the object location is detected over the denoised range-angle map based on Cell-Averaging CFAR (CA-CFAR), which is a typical threshold setting algorithm. Through the experiments to estimate human locations in indoor environments, we confirmed that the proposed method with DIP reduced the number of false alarms and estimated the human location accurately while improving the tolerance of the threshold setting, compared to the method without DIP.

Giardia duodenalis can be incidentally detected during pancreatic tumor evaluation via cytology. Even in asymptomatic patients without risk factors, recognition is essential. Careful cytologic examination enables early treatment to prevent complications before surgery. Although rare, incidental detection is clinically significant and guides preoperative management.

Background Septic shock is a common and life-threatening condition that requires intensive care. Intensive care units (ICUs) in Japan are classified into ICUs and high-dependency care units (HDUs), depending on presence of full-time certified intensivists and the number of assigned nurses. Compared with other developed countries, there are fewer intensive care beds and certified intensivists in Japan; therefore, non-intensivists often treat patients with septic shock in HDUs. It is unknown where we should treat patients with septic shock because no studies have compared the clinical outcomes between ICU and HDU treatment. This study aimed to elucidate which units should admit patients with septic shock by comparing mortality data and resource use between ICU and HDU admissions. Methods In this retrospective cohort study, we used a nationwide Japanese administrative database to identify adult patients with septic shock who were admitted to ICUs or HDUs between January 2010 and February 2021. The patients were divided into two groups, based on admittance to ICU or HDU on the day of hospitalization. The primary outcome was 30-day all-cause mortality adjusted for covariates using Cox regression analyses; the secondary outcomes were the length of ICU or HDU stay and length of hospital stay. Results Of the 10,818 eligible hospitalizations for septic shock, 6584 were in the ICU group, and 4234 were in the HDU group. Cox regression analyses revealed that patients admitted to the ICUs had lower 30-day mortality (adjusted hazard ratio: 0.89; 95% confidence interval: 0.83–0.96; P  = 0.005). Linear regression analyses showed no significant difference in hospital length of stay or ICU or HDU length of stay. Conclusions An association was observed between ICU admission and lower 30-day mortality in patients with septic shock. These findings could provide essential insights for building a more appropriate treatment system.

Despite the broad global use of antibiotics, there is no established definition of early antibiotic treatment failure (EATF) to aid clinical evaluation of treatment, which leads to inconsistent assessments of drug effectiveness. This scoping review aims to identify common components of EATF definitions by synthesizing studies mentioning EATF and its relevant thesaurus matches. Scoping review. This scoping review was conducted following the PRISMA Scoping review guidelines. A systematic literature search was conducted using MEDLINE (PubMed), CENTRAL, CINAHL, and Web of Science, as well as a manual Google search. Search terms were EATF and its thesaurus matches. After removing duplications, candidate studies were screened by title and abstract prior to full text searches, and quality analysis was performed on eligible studies using the Critical Appraisal Skills Programme. From each eligible study, the timing of evaluation, basic components, and detailed information for each definition of EATF were collected. The components of each definition for EATF were then summarized and counted, and finally the most common essential components were identified. Our systematic literature search found 2,472 candidate studies. After title and abstract screening, full text search and quality assessment, 61 studies, including 56 original studies and five reviews, were eligible for our analysis. Of these 56 original studies, 43 mentioned the timing of EATF evaluation 72 hours after the start of treatment with antibiotics. From these 43 studies, the most common indicators of EATF were extracted, among which a set of essential components for a definition of EATF were identified: mortality, vital signs, fever, symptoms, and additional treatment. Our scoping review uncovered five essential factors for EATF. Further study is needed to evaluate the validity of our findings.

Background Glucocorticoids (GC) comprise a cornerstone in the treatment of antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV); however, prolonged GC exposure leads to substantial toxicity and immune system-related complications. Hence, identifying treatment strategies that enable early GC withdrawal while maintaining disease control is of clinical importance. Objectives To investigate the proportion and characteristics of patients achieving GC-free clinical remission (GFCR) 48 weeks after treatment initiation in patients with newly diagnosed microscopic polyangiitis (MPA) or granulomatosis with polyangiitis (GPA) and examine their long-term clinical outcomes (up to week 96). Methods We conducted a retrospective cohort study using clinical data from a multicenter, nationwide registry in Japan comprising patients with newly diagnosed MPA or GPA and at least 48 weeks of follow-up. GFCR was defined as a Birmingham Vasculitis Activity Score (BVAS) of 0 with complete GC withdrawal. Univariable and multivariable logistic regression analyses were used to identify independent predictors of GFCR at week 48, and a sensitivity analysis using a matched cohort was performed to validate robustness. Results A total of 728 patients were enrolled in the registry, of whom 544 were followed for ≥ 48 weeks; among them, 29 (5.3%) achieved GFCR at week 48. Use of rituximab (RTX) for induction therapy and avacopan within 48 weeks were independently associated with achieving GFCR (multivariable analysis, model 1: RTX: odds ratio [OR]: 3.9, 95% confidence interval [CI]: 1.5–10.0; avacopan: OR: 24.3, 95% CI: 5.8–101.9; both p  < 0.01). Conversely, methylprednisolone pulse therapy was associated with a lower likelihood of achieving GFCR (multivariable analysis, model 1: OR: 0.08, 95% CI: 0.02–0.44; p  < 0.01). Patient’s demographic and baseline disease characteristics were not predictive of GFCR. In the long-term (weeks 48 through 96), the rates of death, relapse, and serious infection were similar regardless of GFCR status at week 48. Conclusions The use of RTX for induction therapy and avacopan within 48 weeks is independently associated with achieving GFCR at week 48 in patients with MPA and GPA, supporting their potential as key components of GC-sparing strategies in AAV. Prospective studies are needed to confirm these results and optimize treatment algorithms to ensure disease control and minimize GC-related toxicity.

Background This study investigated the characteristics of hypertrophic pachymeningitis (HP) in antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), using information from a multicenter study in Japan. Methods We analyzed the clinical information of 663 Asian patients with AAV (total AAV), including 558 patients with newly diagnosed AAV and 105 with relapsed AAV. Clinical findings were compared between patients with and without HP. To elucidate the relevant manifestations for HP development, multivariable logistic regression analyses were additionally performed. Results Of the patients with AAV (mean age, 70.2 ± 13.5 years), HP was noted in 30 (4.52%), including 20 (3.58%) with newly diagnosed AAV and 10 (9.52%) with relapsed AAV. Granulomatosis with polyangiitis (GPA) was classified in 50% of patients with HP. A higher prevalence of GPA was significantly observed in patients with HP than in those without HP in total AAV and newly diagnosed AAV ( p < 0.001). In newly diagnosed AAV, serum proteinase 3 (PR3)-ANCA positivity was significantly higher in patients with HP than in those without HP ( p = 0.030). Patients with HP significantly had ear, nose, and throat (ENT) (odds ratio [OR] 1.48, 95% confidence interval [CI] 1.03–2.14, p = 0.033) and mucous membrane/eye manifestations (OR 5.99, 95% CI 2.59–13.86, p < 0.0001) in total AAV. Moreover, they significantly had conductive hearing loss (OR 11.6, 95% CI 4.51–29.57, p < 0.0001) and sudden visual loss (OR 20.9, 95% CI 5.24–85.03, p < 0.0001). Conclusion GPA was predominantly observed in patients with HP. Furthermore, in newly diagnosed AAV, patients with HP showed significantly higher PR3-ANCA positivity than those without HP. The ear and eye manifestations may be implicated in HP development.

We aimed to clarify the long-term safety and efficacy of rituximab (RTX) as a remission induction therapy following severe relapse in patients with antineutrophil cytoplasmic antibody (ANCA)–associated vasculitis (AAV). We retrospectively collected the data of patients with severely relapsed AAV from a Japanese multicentre cohort. The primary exposure was RTX use; the primary outcome was complete remission (CR) proportions at week 24. Baseline characteristics were compared between the RTX and non-RTX groups. We performed multivariate logistic regression analysis and one-to-one propensity score matching analysis as a sensitivity analysis. Totally, 100 patients were enrolled: 52 in the RTX group and 48 in the non-RTX group. Baseline characteristics were comparable between the two groups, except for age, AAV subtype and ANCA serotype. The median age was 71 vs. 75 years, and the PR3-ANCA positivity rate was 44.2% vs. 18.8% in the RTX and non-RTX groups, respectively. No significant difference was observed in CR proportions at week 24 between the two groups (79.2% vs. 68.1%, p = 0.321), with an adjusted odds ratio of 1.27 (95% confidence interval [CI] 0.47–3.51). At week 48, CR proportions were significantly higher in the RTX group (91.7% vs. 64.9%, p = 0.005), with an adjusted odds ratio of 2.95 (95% CI 0.97–9.91). Serious infection rates were lower in the RTX group than in the non-RTX group, with no statistically significant difference. RTX was not superior to conventional immunosuppressive therapies at week 24 but showed significantly favourable results at week 48 for severely relapsed AAV.Key Points• RTX might be superior to traditional treatments as an induction therapy for severely relapsed AAV.• RTX has the potential to sustain long-term remission with fewer occurrences of infections in the treatment of severely relapsed AAV.